title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 6-1998. A six-year-old boy with both pain and a bloody effusion in the right hip.
mesh_terms: D001779:Blood Coagulation Factors / Q000032:analysis*; D001780:Blood Coagulation Tests; D002648:Child; D003937:Diagnosis, Differential; D006467:Hemophilia A / Q000097:blood / Q000150:complications / Q000175:diagnosis*; D002836:Hemophilia B / Q000175:diagnosis; D006470:Hemorrhage / Q000209:etiology*; D006615:Hip; D006801:Humans; D008297:Male; D010146:Pain / Q000209:etiology; D014842:von Willebrand Diseases / Q000175:diagnosis
chemical_list: D001779:Blood Coagulation Factors